CN1770538A - Method for making winding type lithium ion battery battery core, battery and battery core and battery - Google Patents
Method for making winding type lithium ion battery battery core, battery and battery core and battery Download PDFInfo
- Publication number
- CN1770538A CN1770538A CNA2005100207188A CN200510020718A CN1770538A CN 1770538 A CN1770538 A CN 1770538A CN A2005100207188 A CNA2005100207188 A CN A2005100207188A CN 200510020718 A CN200510020718 A CN 200510020718A CN 1770538 A CN1770538 A CN 1770538A
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- China
- Prior art keywords
- positive
- lug
- negative
- electric core
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 27
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 27
- 238000004804 winding Methods 0.000 title claims description 21
- 230000004888 barrier function Effects 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052744 lithium Inorganic materials 0.000 abstract 1
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
This invention discloses one rolling lithium battery chip process method, which comprises the following steps: connecting electrode ear and rolling step to connect one end of positive electrode to positive electrode and to connect negative electrode to negative electrode ear; rolling to isolate positive and negative electrode slices along one direction to form electrical chip covering electrical core outside or secondary layer with side length larger than that of positive electrode. This invention also discloses one above method and its process chip and battery.
Description
[technical field]
The present invention relates to the lithium ion battery field, be specifically related to manufacture method and the electric core and the battery of a kind of winding type lithium ion battery battery core, battery.
[background technology]
At present, the positive and negative electrode lug of most winding type lithium ion battery battery core is arranged on the mid portion of electric core, and positive and negative plate and lug thereof and barrier film are successively reeled to same direction.Because be to be to reel in the center with the positive and negative electrode lug, the width of electric core is very big, has brought inconvenience to battery design.At this situation, it is CN2645251Y that Chinese patent discloses a kind of notification number, and denomination of invention is the patent application of lithium ion battery cell, and the positive and negative electrode lug of this electric core is positioned at the outermost layer position of electric core, and is positioned at the homonymy of electric core simultaneously.This design has brought inconvenience undoubtedly for the metal shell battery, design after lug is burn-on battery cover board according to this, lug will reverse 90 ° just can make cover plate cover on battery case, shortcoming has two:: 1, reverse because of lug, for fear of crushing lug, must reserve lug and reverse required design space, thereby reduce the space of battery design, be not suitable for the metal shell battery of ting model; 2, because lug has reversed 90 °, lug may puncture barrier film and cause short circuit, influences the security performance of battery.
[summary of the invention]
The purpose of this invention is to provide a kind of winding type lithium ion battery battery core, battery and manufacture method, make the lug of electric core just not need to reverse and directly to be connected, puncture the possibility that barrier film causes short circuit because of lug reverses thereby increase the space of battery design and overcome prior art with electric core cover plate.
Realize the technical scheme of above-mentioned purpose:
A kind of manufacture method of winding type lithium ion battery battery core, comprise the step that connects lug and the step of coiling, the step of described connection lug is the end connection positive pole ear with positive plate, one end of negative plate is connected negative lug, the step of described coiling is positive and negative plate successively to be reeled to same direction with barrier film isolation back form electric core, when reeling, the positive and negative electrode lug is wound on respectively on electric core skin or inferior outer field two the adjacent not ipsilaterals, makes the length of the length of side, negative lug place greater than side, positive pole ear place.
A kind of manufacture method of winding type lithium ion battery, comprise the step of making electric core, the step of making electric core comprises the step that connects lug and the step of coiling, the step of described connection lug is the end connection positive pole ear with positive plate, one end of negative plate is connected negative lug, the step of described coiling is with just, negative plate is successively reeled to same direction with barrier film isolation back and is formed electric core, when reeling, will be just, negative lug is wound on respectively on electric core skin or inferior outer field two the adjacent not ipsilaterals, makes the length of the length of side, negative lug place greater than side, positive pole ear place.
A kind of winding type lithium ion battery battery core, comprise positive plate and positive pole ear, barrier film, negative plate and negative lug, barrier film is between positive and negative plate, one end of positive and negative electrode lug is electrically connected with an end of pole piece separately respectively, positive and negative plate is isolated back successively the coiling to same direction with barrier film form electric core, negative lug is positioned on an electric core skin or the inferior outer field side, positive pole ear is positioned on the electric core skin or inferior outer field side adjacent with the side at negative lug place, and the length of side, negative lug place is greater than the length of side, positive pole ear place.
A kind of lithium ion battery, comprise electric core, the electricity core comprises positive plate and positive pole ear, barrier film, negative plate and negative lug, barrier film just is positioned at, between the negative plate, just, one end of negative lug is electrically connected with an end of pole piece separately respectively, will be just, negative plate is successively reeled to same direction with barrier film isolation back and is formed electric core, negative lug is positioned on an electric core skin or the inferior outer field side, described positive pole ear is positioned on the electric core skin or inferior outer side adjacent with the side at negative lug place, and the length of side, negative lug place is greater than the length of side, positive pole ear place.
Further, when reeling, make the centre position of positive pole ear near the outer shorter side of electric core.
Because negative lug of the present invention and positive pole ear lay respectively on electric core skin or inferior outer field two adjacent side, the length of side, negative lug place is greater than the length of side, positive pole ear place.This with prior art in the positive and negative electrode lug be positioned at electric core skin simultaneously and compare than the electric core on the long side surface, have following substantial characteristics: when being connected with cover plate owing to lug, do not need lug is reversed 90 °, the space that has on the one hand increased battery design has been eliminated lug on the other hand and has been reversed and puncture the possibility that barrier film causes battery short circuit.In addition, because lug does not need to reverse, the connection of lug and cover plate is convenient, has also shortened the time of battery cover board location.
[description of drawings]
Fig. 1 is a kind of structural representation of lithium ion battery cell.
Fig. 2 is the structural representation of positive plate in Fig. 1 lithium ion battery cell.
Fig. 3 is the structural representation of negative plate in Fig. 1 lithium ion battery cell.
Fig. 4 is lithium ion battery cell positive and negative plate, barrier film and volume core position view.
Fig. 5 is the partial enlarged drawing at A-A ' position among Fig. 4.
[embodiment]
Embodiment one, a kind of winding type lithium ion battery battery core and manufacture method:
As shown in Figure 1, electric core mainly is made up of positive pole ear 1, negative lug 2, positive plate 3, negative plate 4, barrier film 5, cover plate 6.As shown in Figure 2, positive plate 3 is collector aluminium foils that the two sides is coated with positive electrode 7, and positive plate 3 one ends expose, and the other end of positive plate 3 is electrically connected with an end of positive pole ear 1, and the other end of positive pole ear 1 is electrically connected with cover plate 6.As shown in Figure 3, negative plate 4 is copper foil of affluxion body that the two sides is coated with negative material 8, and the one end is electrically connected with negative lug 2, and the other end exposes.
During making, positive and negative plate and barrier film make its center-aligned by Fig. 4, barrier film is positioned between positive and negative plate, then never an end of lug to begin with volume core E be the direction rotation of center by Fig. 5, keep the skin of positive plate at volume core E, successively reel, and positive and negative plate, diaphragm center line are alignd all the time, tensioning dynamics unanimity.The electricity core is successively reeled and is just extracted volume core E when finishing out.Precompressed when typing, make negative lug be positioned at electric core outer field one than on the long side surface, positive pole ear is positioned on the outer field shorter side of electric core, after the typing, electric core is packed in the metal battery shell, the negative lug point is welded in the shell keeps away, cover cover plate its Laser Welding sealing.
In addition, need to prove, when reality is reeled, in order to guarantee that the positive and negative electrode lug is wound on respectively on electric core skin or inferior outer field two the adjacent not ipsilaterals, the electric core that need make according to the length and the needs coiling of positive and negative plate is cylindrical or square, and whether the top of decision positive and negative plate shifts to install or the initial winding position on volume core E.
In the above-described embodiments, negative lug is positioned at electric core outermost layer, and positive pole ear is positioned at time skin of electric core.
In addition, as required, when reeling electric core, also can keep the skin of negative plate at volume core E, it is time outer to make that the negative lug of the electric core behind the winding shaping is positioned at electric core, and positive pole ear is positioned at the outermost layer of electric core.
Embodiment two, a kind of winding type lithium ion battery and manufacture method comprise electric core, and the structure of electric core and manufacture method are with real
Embodiment one.
Claims (10)
1, a kind of manufacture method of winding type lithium ion battery battery core, comprise the step that connects lug and the step of coiling, the step of described connection lug is the end connection positive pole ear with positive plate, one end of negative plate is connected negative lug, the step of described coiling is positive and negative plate successively to be reeled to same direction with barrier film isolation back form electric core, it is characterized in that: when reeling, the positive and negative electrode lug is wound on respectively on electric core skin or inferior outer field two the adjacent not ipsilaterals.
2, according to the manufacture method of the described winding type lithium ion battery battery core of claim 1, it is characterized in that: when reeling, make the length of the length of side, negative lug place greater than side, positive pole ear place.
3, according to the manufacture method of the described winding type lithium ion battery battery core of claim 2, it is characterized in that: when reeling, make the centre position of positive pole ear near the outer shorter side of electric core.
4, a kind of manufacture method of winding type lithium ion battery, comprise the step of making electric core, the step of making electric core comprises the step that connects lug and the step of coiling, the step of described connection lug is the end connection positive pole ear with positive plate, one end of negative plate is connected negative lug, the step of described coiling is positive and negative plate successively to be reeled to same direction with barrier film isolation back form electric core, it is characterized in that: when reeling, the positive and negative electrode lug is wound on respectively on electric core skin or inferior outer field two the adjacent not ipsilaterals.
5, according to the manufacture method of the described winding type lithium ion battery of claim 4, it is characterized in that: when reeling, make the length of the length of side, negative lug place greater than side, positive pole ear place.
6, according to the manufacture method of the described winding type lithium ion battery of claim 5, it is characterized in that: when reeling, and make the centre position of positive pole ear near the outer shorter side of electric core.
7, a kind of winding type lithium ion battery battery core, comprise positive plate and positive pole ear, barrier film, negative plate and negative lug, barrier film is between positive and negative plate, one end of positive and negative electrode lug is electrically connected with an end of pole piece separately respectively, positive and negative plate is isolated back successively the coiling to same direction with barrier film form electric core, it is characterized in that: described positive and negative electrode lug lays respectively on the outermost layer or inferior outer field two adjacent sides of electric core.
8, according to the described winding type lithium ion battery battery core of claim 7, it is characterized in that: the length of side, negative lug place is greater than the length of side, positive pole ear place, and positive pole ear is near the centre position of the outer shorter side of electric core.
9, a kind of lithium ion battery, comprise electric core, the electricity core comprises positive plate and positive pole ear, barrier film, negative plate and negative lug, barrier film is between positive and negative plate, one end of positive and negative electrode lug is electrically connected with an end of pole piece separately respectively, positive and negative plate is isolated back successively the coiling to same direction with barrier film form electric core, it is characterized in that: described positive and negative electrode lug lays respectively on the outermost layer or inferior outer field two adjacent sides of electric core.
10, winding type lithium ion battery according to claim 6 is characterized in that: the length of side, negative lug place is greater than the length of side, positive pole ear place, and positive pole ear is positioned at the centre position of the outer shorter side of electric core.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100207188A CN100561792C (en) | 2005-04-11 | 2005-04-11 | The manufacture method of a kind of winding type lithium ion battery battery core, battery and electric core and battery |
| HK06110842.3A HK1088994A1 (en) | 2005-04-11 | 2006-09-29 | The convolving li-on cell, the battery and the method for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100207188A CN100561792C (en) | 2005-04-11 | 2005-04-11 | The manufacture method of a kind of winding type lithium ion battery battery core, battery and electric core and battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1770538A true CN1770538A (en) | 2006-05-10 |
| CN100561792C CN100561792C (en) | 2009-11-18 |
Family
ID=36751642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100207188A Expired - Fee Related CN100561792C (en) | 2005-04-11 | 2005-04-11 | The manufacture method of a kind of winding type lithium ion battery battery core, battery and electric core and battery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100561792C (en) |
| HK (1) | HK1088994A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244209A (en) * | 2011-06-09 | 2011-11-16 | 吉安市优特利科技有限公司 | Square lithium ion power battery |
| CN109244526A (en) * | 2018-11-14 | 2019-01-18 | 江苏万达新能源科技股份有限公司 | A kind of novel battery |
| CN114614076A (en) * | 2022-03-21 | 2022-06-10 | 上海兰钧新能源科技有限公司 | Secondary battery cell manufacturing method and secondary battery cell thereof |
-
2005
- 2005-04-11 CN CNB2005100207188A patent/CN100561792C/en not_active Expired - Fee Related
-
2006
- 2006-09-29 HK HK06110842.3A patent/HK1088994A1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244209A (en) * | 2011-06-09 | 2011-11-16 | 吉安市优特利科技有限公司 | Square lithium ion power battery |
| CN102244209B (en) * | 2011-06-09 | 2013-08-14 | 吉安市优特利科技有限公司 | Square lithium ion power battery |
| CN109244526A (en) * | 2018-11-14 | 2019-01-18 | 江苏万达新能源科技股份有限公司 | A kind of novel battery |
| CN114614076A (en) * | 2022-03-21 | 2022-06-10 | 上海兰钧新能源科技有限公司 | Secondary battery cell manufacturing method and secondary battery cell thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1088994A1 (en) | 2006-11-17 |
| CN100561792C (en) | 2009-11-18 |
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Application publication date: 20060510 Assignee: Hubei Yanguang Energy Technology Co.,Ltd. Assignor: Shenzhen Bak Battery Co., Ltd. Contract record no.: 2010440020025 Denomination of invention: Method for making winding type lithium ion battery battery core, battery and battery core and battery Granted publication date: 20091118 License type: Exclusive License Record date: 20100420 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20130411 |